Abstract
In this paper, a photoelectrocatalytic (PEC) recovery of toxic H2S into H2 and S system was proposed using a novel bismuth oxyiodide (BiOI)/ tungsten trioxide (WO3) nano-flake arrays (NFA) photoanode. The BiOI/WO3 NFA with a vertically aligned nanostructure were uniformly prepared on the conductive substrate via transformation of tungstate following an impregnating hydroxylation of BiI3. Compared to pure WO3 NFA, the BiOI/WO3 NFA promotes a significant increase of photocurrent by 200%. Owing to the excellent stability and photoactivity of the BiOI/WO3 NFA photoanode and \({{\rm{I}}^ - }{\rm{/I}}_3^ - \) catalytic system, the PEC system toward splitting of H2S totally converted S2− into S without any polysulfide (\({\rm{S}}_x^{n - }\)) under solar-light irradiation. Moreover, H2 was simultaneously generated at a rate of about 0.867 mL/(h ·cm). The proposed PEC H2S splitting system provides an efficient and sustainable route to recover H2 and S.
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Yoosuk B, Wongsanga T, Prasassarakich P. CO2 and H2S binary sorption on polyamine modified fumed silica. Fuel, 2016, 168: 47–53
Nunnally T, Gutsol K, Rabinovich A, et al. Dissociation of H2S in non-equilibrium gliding arc “tornado” discharge. International Journal of Hydrogen Energy, 2009, 34(18): 7618–7625
Rabbani K A, Charles W, Kayaalp A, et al. Pilot-scale biofilter for the simultaneous removal of hydrogen sulphide and ammonia at a wastewater treatment plant. Biochemical Engineering Journal, 2016, 107: 1–10
Piéplu A, Saur O, Lavalley J C, et al. Claus catalysis and H2S selective oxidation. Catalysis Reviews, 1998, 40(4): 409–450
Zong X, Chen H, Seger B, et al. Selective production of hydrogen peroxide and oxidation of hydrogen sulfide in an unbiased solar photoelectrochemical cell. Energy & Environmental Science, 2014, 7(10): 3347–3351
Li S, Hu S, Jiang W, et al. Facile synthesis of flower-like Ag3VO4/Bi2WO6 heterojunction with enhanced visible-light photocatalytic activity. Journal of Colloid and Interface Science, 2017, 501: 156–163
Wang Z, Sun H. Nanoscale in photocatalysis. Nanomaterials (Basel, Switzerland), 2017, 7(4): 86
Bai J, Li J, Liu Y, et al. A new glass substrate photoelectrocatalytic electrode for efficient visible-light hydrogen production: CdS sensitized TiO2 nanotube arrays. Applied Catalysis B: Environmental, 2010, 95(3–4): 408–413
Liu Z, Zhang X, Nishimoto S, et al. Highly ordered TiO2 nanotube arrays with controllable length for photoelectrocatalytic degradation of phenol. Journal of Physical Chemistry C, 2008, 112(1): 253–259
Wang G, Ling Y, Wheeler D A, et al. Facile synthesis of highly photoactive α-Fe2O3-based films for water oxidation. Nano Letters, 2011, 11(8): 3503–3509
Zeng Q, Li J, Bai J, et al. Preparation of vertically aligned WO3 nanoplate array films based on peroxotungstate reduction reaction and their excellent photoelectrocatalytic performance. Applied Catalysis B: Environmental, 2017, 202: 388–396
Luo T, Bai J, Li J, et al. Self-driven photoelectrochemical splitting of H2S for S and H2 recovery and simultaneous electricity generation. Environmental Science & Technology, 2017, 51(21): 12965–12971
Zhang J, Yu K, Yu Y, et al. Highly effective and stable Ag3PO4/ WO3 photocatalysts for visible light degradation of organic dyes. Journal of Molecular Catalysis A Chemical, 2014, 391: 12–18
Aslam I, Cao C, Tanveer M, et al. A novel Z-scheme WO3/CdWO4 photocatalyst with enhanced visible-light photocatalytic activity for the degradation of organic pollutants. RSC Advances, 2015, 5(8): 6019–6026
Kim J H, Magesh G, Kang H J, et al. Carbonate-coordinated cobalt co-catalyzed BiVO4/WO3 composite photoanode tailored for CO2 reduction to fuels. Nano Energy, 2015, 15: 153–163
Zhan F, Xie R, Li W, et al. In situ synthesis of g-C3N4/WO3 heterojunction plates array films with enhanced photoelectrochemical performance. RSC Advances, 2015, 5(85): 69753–69760
Vargas M, Lopez D M, Murphy N R, et al. Effect of W-Ti target composition on the surface chemistry and electronic structure of WO3-TiO2 films made by reactive sputtering. Applied Surface Science, 2015, 353: 728–734
Xiao X, Zhang W. Facile synthesis of nanostructured BiOI microspheres with high visible light-induced photocatalytic activity. Journal of Materials Chemistry, 2010, 20(28): 5866
Dong G, Ho W, Zhang L. Photocatalytic NO removal on BiOI surface: the change from nonselective oxidation to selective oxidation. Applied Catalysis B: Environmental, 2015, 168–169: 490–496
Wang S, Guan Y, Wang L, et al. Fabrication of a novel bifunctional material of BiOI/Ag3VO4 with high adsorption-photocatalysis for efficient treatment of dye wastewater. Applied Catalysis B: Environmental, 2015, 168–169: 448–457
Odling G, Robertson N. SILAR BiOI-sensitized TiO2 films for visible-light photocatalytic degradation of Rhodamine B and 4-chlorophenol. ChemPhysChem, 2017, 18(7): 728–735
Luo J, Zhou X, Ma L, et al. Enhanced visible-light-driven photocatalytic activity of WO3/BiOI heterojunction photocatalysts. Journal of Molecular Catalysis A Chemical, 2015, 410: 168–176
Feng Y, Liu C, Che H, et al. The highly improved visible light photocatalytic activity of BiOI through fabricating a novel p-n heterojunction BiOI/WO3 nanocomposite. CrystEngComm, 2016, 18(10): 1790–1799
Svensson P H, Kloo L. A vibrational spectroscopic, structural and quantum chemical study of the triiodide ion. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry, 2000, (14): 2449–2455
Ejigu A, Lovelock K R J, Licence P, et al. Iodide/triiodide electrochemistry in ionic liquids: effect of viscosity on mass transport, voltammetry and scanning electrochemical microscopy. Electrochimica Acta, 2011, 56(28): 10313–10320
Reza-Dávila J C, Avilés-Rodríguez D, Gomez M, et al. Evaluation of antioxidant capacity by triiodide methods. ECS Transactions, 2019, 15(1): 461–469
Zhang X, Zhang L, Xie T, et al. Low-temperature synthesis and high visible-light-induced photocatalytic activity of BiOI/TiO2 heterostructures. Journal of Physical Chemistry C, 2009, 113(17): 7371–7378
Chai B, Wang X. Enhanced visible light photocatalytic activity of BiOI/BiOCOOH composites synthesized via ion exchange strategy. RSC Advances, 2015, 5(10): 7589–7596
Xia J, Yin S, Li H, et al. Self-assembly and enhanced photocatalytic properties of BiOI hollow microspheres via a reactable ionic liquid. Langmuir, 2011, 27(3): 1200–1206
Huang L, Xu H, Li Y, et al. Visible-light-induced WO3/g-C3N4 composites with enhanced photocatalytic activity. Dalton Transactions (Cambridge, England), 2013, 42(24): 8606–8616
Acknowledgements
This work was supported by the National Key Research and Development Program of China (Nos. 2018YFE0122300 and 2018YFB1502001), Shanghai International Science and Technology Cooperation Fund Project (No. 18520744900), and the SJTU-AMED.
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Bai, J., Zhang, B., Li, J. et al. Photoelectrocatalytic generation of H2 and S from toxic H2S by using a novel BiOI/WO3 nanoflake array photoanode. Front. Energy 15, 744–751 (2021). https://doi.org/10.1007/s11708-021-0775-7
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DOI: https://doi.org/10.1007/s11708-021-0775-7